The IEC 71308503 2-Way Modulating Valve is a precision 3/4” sweat connection valve engineered for use in hydronic HVAC systems requiring dynamic flow regulation. With a 4.0 CV flow coefficient, this valve enables fine control of water flow, making it an ideal solution for fan coil units and other terminal applications in commercial buildings.
Technical Specifications
- Manufacturer: International Environmental Corporation (IEC)
- Part Number: 71308503
- Valve Type: 2-Way Modulating
- Connection Size: 3/4 inch sweat (SWT)
- Flow Coefficient (CV): 4.0
- Control Type: Modulating (typically paired with proportional actuators)
- Application: Hot or chilled water systems in HVAC control loops
- Body Material: Brass or bronze (based on standard IEC specifications)
Key Features
- Precise Modulation: Allows variable flow control for enhanced thermal regulation and system responsiveness.
- Sweat Connections: Designed for permanent, leak-free soldered connections in copper piping systems.
- Compact Footprint: Suitable for tight mechanical spaces or fan coil terminal boxes.
- Energy Efficient: Supports optimized system balance and temperature control, reducing overall energy load.
- Compatible with IEC Actuators: Designed for integration with IEC’s range of modulating control actuators.
Industry Applications
- Hydronic heating and cooling systems
- Fan coil units in hotels, office buildings, and apartments
- Energy management and zoning systems
- HVAC terminal equipment with modulating controls
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